<template>
    <div>
        <el-row :gutter="20">
            <!-- 左側：用戶信息卡片 -->
            <el-col :span="8">
                <el-card shadow="hover" class="mgb20" style="height:192px;">
                    <div class="user-info">
                        <img src="../../assets/img/img.jpg" class="user-avator" alt />
                        <div class="user-info-cont">
                            <div class="user-info-name">{{name}}</div>
                            <div>{{role}}</div>
                        </div>
                    </div>
                </el-card>
                                <!-- 公司介紹卡片 -->
                <el-card shadow="hover" style="height:245px;">
                    <div slot="header" class="clearfix">
                        <span>公司介绍</span>
                    </div>
                    <div class="company-intro">
                        <p><strong>讯助</strong> 是一款随时随地可以发布悬赏求助或接受悬赏求助的应用程序。</p>
                        <p>核心功能：发布求助、接取求助。</p>
                        <p>优势：<br>1. 随时随地快速找到帮助。<br>2. 严格的安全措施，保障用户安全。<br>3. 覆盖范围广，适合所有有需求的用户。</p>
                    </div>
                </el-card>
            </el-col>

            <!-- 右側：數據卡片 -->
            <el-col :span="16">
                <el-row :gutter="20" class="mgb20">
                    <el-col :span="8">
                        <el-card shadow="hover" :body-style="{padding: '0px'}">
                            <div class="grid-content grid-con-1">
                                <i class="el-icon-lx-people grid-con-icon"></i>
                                <div class="grid-cont-right">
                                    <div class="grid-num">{{ usernum }}</div>
                                    <div>用户数量</div>
                                </div>
                            </div>
                        </el-card>
                    </el-col>
                    <el-col :span="8">
                        <el-card shadow="hover" :body-style="{padding: '0px'}">
                            <div class="grid-content grid-con-2">
                                <i class="el-icon-lx-notice grid-con-icon"></i>
                                <div class="grid-cont-right">
                                    <div class="grid-num">{{ noticenum }}</div>
                                    <div>公告数量</div>
                                </div>
                            </div>
                        </el-card>
                    </el-col>
                    <el-col :span="8">
                        <el-card shadow="hover" :body-style="{padding: '0px'}">
                            <div class="grid-content grid-con-3">
                                <i class="el-icon-lx-goods grid-con-icon"></i>
                                <div class="grid-cont-right">
                                    <div class="grid-num">{{ helpnum }}</div>
                                    <div>援助数量</div>
                                </div>
                            </div>
                        </el-card>
                    </el-col>
                </el-row>


            </el-col>
            <el-col :span="16">
                <el-card shadow="hover" class="chart-card">
                    <schart class="schart" canvasId="pie" :options="options"></schart>
                </el-card>
            </el-col>
        </el-row>
    </div>
</template>



<script>
import Schart from 'vue-schart';
import axios from '../../axios';
import bus from '../common/bus';
export default {
    name: 'dashboard',
    data() {
        return {
            name: localStorage.getItem('ms_username'),
            options: {
                type: 'pie',
                title: {
                    text: '求助类型分布'
                },
                legend: {
                    position: 'left'
                },
                labels: [],
                datasets: [
                    {
                        data: []
                    }
                ]
            },
            usernum: 0,       // 用戶數量
            noticenum: 0,     // 公告數量
            helpnum: 0        // 援助數量
        };
    },
    components: {
        Schart
    },
    computed: {
        role() {
            return this.name === 'admin' ? '超级管理员' : '管理员用户';
        }
    },
    created() {
        this.getTypeCountData();
        this.getIndexData(); 
    },
    methods: {
        getTypeCountData() {
            axios.get('/manager/gettypecount','')
                .then(response => {
                    const typeData = response.data;
                    this.options.labels = typeData.map(item => item.type);
                    this.options.datasets[0].data = typeData.map(item => item.count);
                })
                .catch(error => {
                    console.error("获取首页数据失败: ", error);
                });
        },
        getIndexData() {
            axios.get('/manager/index/data','')
                .then(response => {
                        const data = response.data;
                        console.log("data = ",data)
                        this.usernum = data.usernum;
                        this.noticenum = data.noticenum;
                        this.helpnum = data.helpnum;
                })
                .catch(error => {
                    console.error("获取首页数据失败: ", error);
                });
        }
    }
};

</script>


<style scoped>
.el-row {
    margin-bottom: 20px;
}

.grid-content {
    display: flex;
    align-items: center;
    height: 100px;
}

.grid-cont-right {
    flex: 1;
    text-align: center;
    font-size: 14px;
    color: #999;
}

.grid-num {
    font-size: 30px;
    font-weight: bold;
}

.grid-con-icon {
    font-size: 50px;
    width: 100px;
    height: 100px;
    text-align: center;
    line-height: 100px;
    color: #fff;
}

.grid-con-1 .grid-con-icon {
    background: rgb(45, 140, 240);
}

.grid-con-1 .grid-num {
    color: rgb(45, 140, 240);
}

.grid-con-2 .grid-con-icon {
    background: rgb(100, 213, 114);
}

.grid-con-2 .grid-num {
    color: rgb(45, 140, 240);
}

.grid-con-3 .grid-con-icon {
    background: rgb(242, 94, 67);
}

.grid-con-3 .grid-num {
    color: rgb(242, 94, 67);
}

.user-info {
    display: flex;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 2px solid #ccc;
}

.user-avator {
    width: 120px;
    height: 120px;
    border-radius: 50%;
}

.user-info-cont {
    padding-left: 50px;
    flex: 1;
    font-size: 14px;
    color: #999;
}

.user-info-cont div:first-child {
    font-size: 30px;
    color: #222;
}

.user-info-list {
    font-size: 14px;
    color: #999;
    line-height: 25px;
}

.user-info-list span {
    margin-left: 70px;
}

.mgb20 {
    margin-bottom: 20px;
}

.todo-item {
    font-size: 14px;
}

.todo-item-del {
    text-decoration: line-through;
    color: #999;
}

.schart {
    width: 100%;
    height: 300px;
}
</style>
